H2R Gear

Free AV Tools & Calculators

A collection of free tools for audio/video professionals, broadcast engineers, live event crews, and AV integrators. No sign-up required.

AV Equipment Packlist

Build a packing checklist for your audio/video gear. Add items by category, set quantities, and check them off as you pack.

AV Patch List Builder

Document every signal connection in your setup. Track source/destination devices, cable types, and port labels.

Cable Length Calculator

Check maximum cable run distances for HDMI, SDI, USB, DisplayPort, XLR, Ethernet, and fiber optic.

Video Bandwidth Calculator

Calculate uncompressed video signal bandwidth and check interface compatibility for HDMI, SDI, and DisplayPort.

Power Consumption Calculator

Calculate total power draw of your AV equipment. See watts, amps, and how many circuits you need.

Free tools for audio/video professionals

These free AV tools and calculators are built for the professionals who plan, install, and operate audio/video equipment every day — broadcast engineers, AV integrators, live event technicians, videographers, and live streamers.

Every tool runs entirely in your browser with no sign-up required. Use them to plan cable runs, calculate bandwidth, estimate power requirements, build packing lists, and document signal connections before you arrive on site.

Need more powerful AV planning tools?

These tools are great for quick calculations, but if you need to diagram your entire gear setup, draw cables between equipment, auto-generate packlists, and share plans with your team, H2R Gear is the complete solution. It's used by thousands of AV professionals around the world.

Ready to get organised?

Start using H2R Gear to plan your next setup.

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